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Preparation method of pesticide composition for killing cotton bollworms

A composition and technology for cotton bollworm, which are applied in the directions of botanical equipment and methods, insecticides, biocides, etc., can solve the problems that the insecticidal effect is easy to appear drug-resistant pests, and the insect resistance and drug resistance differences, etc. Not resistant to drug resistance, no environmental toxicity, small effect

Inactive Publication Date: 2018-01-26
CHENGDU AIBIKE BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when this kind of chemical pesticide is promoting green and protecting the environment today, many highly toxic and high residue chemicals have been limited or discontinued. In addition, due to the different types of pests, various pests have different levels of pesticide resistance and resistance. There are large differences, so that the insecticidal effect of chemical agents is prone to drug-resistant pests, so it is necessary to propose insect repellents for different insects to prevent specific insects, but there is no corresponding report so far

Method used

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  • Preparation method of pesticide composition for killing cotton bollworms
  • Preparation method of pesticide composition for killing cotton bollworms
  • Preparation method of pesticide composition for killing cotton bollworms

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This example provides a pharmaceutical composition for killing cotton bollworms, including extracts of Rhizoma chinensis, extracts of Chinese catkins, bark of Vitex bark, extracts of willow head, extracts of Houttuynia cordata, extracts of jade hibiscus, Qingming Willow Extract, Curcuma Extract, Iris Extract and Nereistin in the following quantities:

[0024]

[0025]

[0026] Its preparation method: Add water to decoct Dafengzi, Chinese catkins, and Tujing skin twice, each time for 2 hours, combine the decoction, add ethanol to filter and concentrate, add 3 times the amount of water, fully stir, refrigerate for 48 hours, filter, and the filtrate Concentrate under reduced pressure to a relative density of about 1.26, and prepare the liquid medicine for later use; decoct camphor willow head, houttuynia cordata, jade hibiscus, Qingming willow, turmeric, and iris twice, each time for 0.5 hours, combine the decoction, filter, Concentrate the filtrate, let it cool, add...

Embodiment 2

[0029] This example verifies the killing rate of the pharmaceutical composition against cotton bollworm compared with common insecticides on the market.

[0030] Select the common insecticides on the market: P. lilacinus water agent, nematicide, special root thread agent, and thiamethoxam insecticide.

[0031] Group according to different insecticides, each group prepares 1000 cotton bollworms in the three stages of eggs, larvae and adults respectively, and then uses insecticides on the cotton bollworms in each stage respectively, and tests each group of insecticides kill rate, as shown in the table below:

[0032] Table 1 The killing effect of insecticides on cotton bollworm

[0033]

[0034] It can be seen from the above table that each group of insecticides has the highest killing rate on cotton bollworms in the larval state, and this product has the best insecticidal effect, and the killing effect is remarkable, even the eggs that are most difficult to kill have good k...

Embodiment 3

[0036] This example verifies the killing rate of the pharmaceutical composition on various pests.

[0037] Select 10,000 scarabs, beetles, leafhoppers, borers, pear psyllids, scale insects, spinach moths, mole crickets, burdock, and cotton bollworms, and group them separately, and use the medicine prepared in Example 1 to make a medicine solution of the same concentration , spray the pests of each group respectively, and after 1 hour, check the killing rate of various pests, the results are shown in the following table:

[0038] Table 2 The killing effect of the drug on various pests

[0039] group

[0040] As can be seen from the above table, the medicine prepared in Example 1 only has a good killing effect on cotton bollworms, and has a very limited killing effect on other pests. This proves that this product is highly targeted and can only be used For the extermination of cotton bollworm.

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Abstract

The invention discloses a preparation method of a pesticide composition for killing cotton bollworms. The preparation method comprises the following steps: 1) preparing raw materials; 2) adding waterto decoct semen hydnocarpi, fructus ulmi and cortex pseudolaricis twice, obtaining a pesticide liquid for later use; 3) adding water to decoct rhizome of canereed spiralflag, herba houttuyniae, flowerbelge, salix magnifica, radix curcumae and iris tectorum twice, filtering, concentrating a filtrate to the relative density of 1.15; 4) combining pesticide liquid; 5) regulating the pH value of a solution; 6) performing filtration, filling, and sterilization to obtain the pesticide composition. The pesticide composition kills the cotton bollworms in a targeted manner, is good in safety and biological degradation, is pollution-free, has no pungent smell, no environmental toxic effect and no residue in an animal, does not destroy the ecological balance, has low effects on the growing environmentof a crop, is relatively good in permeability and wettability, kills the central nervous system of an insect, inhibits the formation and development of a worm egg, does not cause drug resistance easily, is good in fast-acting property, and is suitable for extensive popularization and application in the field of pest control.

Description

technical field [0001] The invention belongs to the field of agricultural technology development, and in particular relates to a preparation method of a medicinal composition for killing cotton bollworms. Background technique [0002] Chemical agents play an important role in the control of crop diseases and insect pests, but the residues of drugs lead to the deterioration of natural ecosystems, which has become a major issue of international concern and urgently to be solved. In our country, since the 20th century, due to the single use of chemical pesticides, the harmful elements in agricultural products have exceeded the standard, which directly endangers the health and survival of the people. For this reason, the country attaches great importance to and formulated the "Medium and Long-term Science and Technology Development Program Outline" to encourage research and development Environmentally friendly fertilizers and pesticides. Today's farmers' "seeking speed" mentali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/48A01N43/26A01P7/04
Inventor 黄伟
Owner CHENGDU AIBIKE BIOTECH
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